コード例 #1
0
        /// <summary>
        /// Get specific page from original SqlSugarQueryable source
        /// </summary>
        /// <typeparam name="T">element type of your SqlSugarQueryable source</typeparam>
        /// <param name="query">original SqlSugarQueryable source</param>
        /// <param name="pageNumber">page number</param>
        /// <param name="pageSize">page size</param>
        /// <returns></returns>
        public static IPage <T> GetPage <T>(this ISugarQueryable <T> query, int pageNumber, int pageSize)
        {
            if (query == null)
            {
                throw new ArgumentNullException(nameof(query), $"{nameof(query)} can not be null.");
            }

            if (pageNumber < 0)
            {
                throw new IndexOutOfRangeException($"{nameof(pageNumber)} can not be less than zero");
            }

            if (pageSize < 0)
            {
                throw new IndexOutOfRangeException($"{nameof(pageSize)} can not be less than zero");
            }

            return(new SqlSugarPage <T>(query, pageNumber, pageSize, SqlSugarHelper.Count(query)));
        }